Asked by Robyn Brown on May 11, 2024
Verified
What is the most common measure of variability?
A) range
B) standard deviation
C) variance
D) mean deviation
Variability
A statistical measure that describes the dispersion or spread of data points in a data set.
Standard Deviation
A statistical measure of the dispersion or variability of a set of data points around their mean.
Mean Deviation
The average deviation for all scores from the mean of a distribution, calculated as the sum of the absolute value of the scores’ deviations from the mean divided by the number of scores.
- Develop an understanding and identify distinct measures of variability.
Verified Answer
JA
Jontra Anderson
May 13, 2024
Final Answer :
B
Explanation :
Standard deviation is the most commonly used measure of variability because it takes into account all data points in a data set and is sensitive to outliers. Range only considers the maximum and minimum values, while variance and mean deviation are less commonly used and can be more difficult to interpret.
Learning Objectives
- Develop an understanding and identify distinct measures of variability.